Real Numbers Quiz
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Questions and Answers

If the HCF of two numbers is 5 and their product is 100, what is their LCM?

  • 15
  • 25 (correct)
  • 30
  • 20

    • What is the least common multiple (LCM) of 3 and 5?

  • 12
  • 10
  • 15 (correct)
  • 8

    • If the prime factorization of a number is $2^2 \times 3^3 \times 5$ and another number is $2^3 \times 3 \times 7$, what is their LCM?

  • $2^3 \times 3^3 \times 5 \times 7$
  • $2^3 \times 3^3 \times 5^2 \times 7^2$
  • $2^3 \times 3^3 \times 5 \times 7^2$ (correct)
  • $2^3 \times 3^3 \times 5^2 \times 7$

    • If the HCF of two numbers is 8 and their LCM is 240, what is their product?

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    If the LCM of 12 and 18 is 36, what is their HCF?

    <p>3</p> Signup and view all the answers

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